Home / 3,939,867.77-5,437,862.89-2,488,640.18

Finding the Fourth Proportional to 3,939,867.77, 5,437,862.89 and 2,488,640.18

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Solution

The fourth proportional to 3,939,867.77, 5,437,862.89 and 2,488,640.18 is: 3,434,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,867.77 : 5,437,862.89 = 2,488,640.18 : x
  2. Step 2: Convert to fraction form
    3,939,867.77/5,437,862.89 = 2,488,640.18/x
  3. Step 3: Cross multiply
    3,939,867.77x = 5,437,862.89 × 2,488,640.18
  4. Step 4: Simplify right side
    3,939,867.77x = 13,532,884,047,974.00
  5. Step 5: Solve for x
    x = 13,532,884,047,974.00/3,939,867.77
  6. Step 6: Final answer
    x = 3,434,857.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.